Similar like the normal exception handler the secure storage access
exception handler needs to verify if mm is not NULL, which may happen
with kernel threads.
Reported-by: sashiko-bot <sashiko-bot@kernel.org>
Closes: https://lore.kernel.org/all/20260717132345.539A11F00A3A@smtp.kernel.org/
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Reviewed-by: Christian Borntraeger <borntraeger@linux.ibm.com>> ---
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
The guest variable storage area is allocated with vmalloc and then
donated to the ultravisor. Any kernel access to that area will result
in a secure storage access exception (aka fault).
This is a problem if such a memory area is read via /proc/kcore. This
causes an exception via vread_iter() and results in an unexpected short
read. Avoid this by allocating a custom VM_SPARSE area. If such an area
is read, vread_iter() returns zeroes for the entire area.
Note that the function which frees the area does not update ptes. This
is intentional to allow for deferred / lazy pte updates and TLB flushing
like the generic vfree() code is doing that. See vunmap_pte_range().
This assumes that s390 will gain full support for lazy_mmu_mode_enable()
and lazy_mmu_mode_disable() in the future, since as of now the used
ptep_get_and_clear() in vunmap_pte_range() does indeed invalidate and
flush every single pte entry, but only for s390.
Tested-by: Christian Borntraeger <borntraeger@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Reviewed-by: Christian Borntraeger <borntraeger@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Instrument arch_spin_lock_wait() with trace_contention_begin() and
trace_contention_end().
These tracepoints are used by lock contention analysis tools such as
perf lock contention to identify contended locks and measure wait times.
Both the generic implementation and powerpc emit the same events from
their spinlock slow path.
Place the tracepoints in arch_spin_lock_wait(), which is only entered
when lock acquisition falls back to the contention path.
Acked-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Ciunas Bennett <ciunas@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Use explicit decleration on all shutdown_action/shutdown_trigger
declerations and reformat shutdown_actions_list decleration to
improve readability. No functional changes.
Signed-off-by: Mete Durlu <meted@linux.ibm.com>
Acked-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Use ARRAY_SIZE macro instead of reimplementing it.
Signed-off-by: Mete Durlu <meted@linux.ibm.com>
Acked-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Follow the pattern established by commit c33c794828 ("mm:
ptep_get() conversion") and use proper PTE accessors instead
of a direct pointer dereference in memcpy_real_iter().
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
Reviewed-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
With the pkey rework there was the suggestion to rework the error and
free paths of the pkey ioctl functions. The complain was especially to
rewrite the failure handling with goto instead of all repeat the
nearly same code (kfree(), kfree_sensitive(), memzero_explicit()) for
each path. This patch removes all this duplicated code and introduces
one code block at the end of the functions which is jumped into via
goto out or executed on regular exit. As some helper functions return
an error pointer value (which is NOT NULL) make sure on the error path
there is not by accident kfree() or similar called on such ptr values.
Suggested-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Harald Freudenberger <freude@linux.ibm.com>
Reviewed-by: Finn Callies <fcallies@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
A deep dive into the AP bus code and zcrypt device driver about the
usage of mutex locking showed that there is one questionable call in
ap_bus.c in function ap_bus_force_rescan(). This function may be
called in kernel and process context. In both contexts only one info
is important: was there a AP bus scan running and did it result in
some updates on the AP devices. So only true/false is returned but no
info like -EINTR. But still the mutex lock call should be
interruptible to be able to kill a user space program blocked forever
on this. So this patch replaces mutex_lock_interruptible() with
mutex_lock_killable() to be able to handle SIGKILL especially in user
space process context.
Suggested-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Harald Freudenberger <freude@linux.ibm.com>
Reviewed-by: Finn Callies <fcallies@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
While at it explicitly specify GNU_EH_FRAME PHDR to be read-only.
Inspired by x86 commit 8717b02b8c ("x86/entry/vdso: Include
GNU_PROPERTY and GNU_STACK PHDRs").
Reviewed-by: Ilya Leoshkevich <iii@linux.ibm.com>
Acked-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Jens Remus <jremus@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Commit 2b2a25845d ("s390/vdso: Use $(LD) instead of $(CC) to link
vDSO") accidentally broke the GNU_EH_FRAME program table entry in
the vDSO, causing it to be empty:
$ readelf --program-headers arch/s390/kernel/vdso/vdso.so
...
Program Headers:
Type Offset VirtAddr PhysAddr
FileSiz MemSiz Flags Align
...
GNU_EH_FRAME 0x0000000000000000 0x0000000000000000 0x0000000000000000
0x0000000000000000 0x0000000000000000 0x8
...
Originally, the compiler would implicitly add --eh-frame-hdr when
invoking the linker, but when this Makefile was converted from invoking
the linker via the compiler, to invoking it directly, the option was
missed.
This is the s390 variant of x86 commit cd01544a26 ("x86/vdso: Pass
--eh-frame-hdr to the linker").
Fixes: 2b2a25845d ("s390/vdso: Use $(LD) instead of $(CC) to link vDSO")
Reviewed-by: Ilya Leoshkevich <iii@linux.ibm.com>
Acked-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Jens Remus <jremus@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Make the code a bit easier to read by defining SYSCALL_PER_TRAP
instead of passing '1' to __do_syscall().
Suggested-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Sven Schnelle <svens@linux.ibm.com>
Reviewed-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
PIF_GUEST_FAULT is only used to pass information whether a fault was
caused when executing SIE or when executing host code. Instead of
using ptregs for this, just pass the flag directly as argument to
__do_pgm_check(). This also saves the time required to read the flag
from ptregs, although this likely isn't much as it is already in the
data cache.
Signed-off-by: Sven Schnelle <svens@linux.ibm.com>
Reviewed-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
unistd_32.h is not build anymore since commit 4ac286c4a8
("s390/syscalls: Switch to generic system call table generation").
Thus drop the superfluous line from the Kbuild file now, too.
Signed-off-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
SWIOTLB_DYNAMIC allows the SWIOTLB to grow on demand when the initial
bounce-buffer area is exhausted, instead of relying only on the pool
reserved at boot. This improves behavior under sustained I/O pressure.
In testing, exhaustion of the initial SWIOTLB area was observed under
real workloads such as large file transfers and package installation
workloads, where continued availability of bounce buffering was needed
to avoid guest-visible I/O stalls or failures.
When the current SWIOTLB capacity is exhausted, the dynamic expansion
path schedules asynchronous pool growth and then attempts immediate
non-blocking allocation of transient bounce-buffer memory.
In that path, the current implementation uses the generic DMA coherent
atomic pool for transient bounce-buffer allocations. Selecting
DMA_COHERENT_POOL together with SWIOTLB_DYNAMIC on s390 makes that
atomic fallback path available.
The coherent atomic pool is a generic DMA facility. By default, its size
is 128 KiB per 1 GiB of memory, with a minimum default size of 128 KiB,
and it can be adjusted with the coherent_pool= kernel parameter. The pool
itself can be exhausted, so this improves behavior under pressure, but
does not guarantee that DMA mappings will always succeed.
Select both options from s390 Kconfig so this support is available by
default on s390 systems.
Signed-off-by: Jaehoon Kim <jhkim@linux.ibm.com>
Acked-by: Niklas Schnelle <schnelle@linux.ibm.com>
Reviewed-by: Halil Pasic <pasic@linux.ibm.com>
Tested-by: Joshua Daley <jdaley@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
In s390 protected virtualization (PV) environments, guests use SWIOTLB
for virtio DMA. Because SWIOTLB_ANY is currently not passed to
swiotlb_init(), the SWIOTLB buffer is allocated from low memory, i.e.
from the first 2G of the physical address space on s390.
This restriction is unnecessary for s390 PV guests and limits the
available address range for the SWIOTLB buffer. In turn, that can limit
the maximum practical SWIOTLB size and make larger allocations more
likely to fail at boot, especially under memory fragmentation.
Pass SWIOTLB_ANY in pv_init() so the SWIOTLB buffer can be allocated
from any suitable memory instead of being restricted to low memory.
Signed-off-by: Jaehoon Kim <jhkim@linux.ibm.com>
Acked-by: Christian Borntraeger <borntraeger@linux.ibm.com>
Reviewed-by: Halil Pasic <pasic@linux.ibm.com>
Tested-by: Joshua Daley <jdaley@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Add a new debugfs file which displays the number of exceptions (program
checks) per CPU. This is helpful for debugging purposes.
The statistics are typically available at
/sys/kernel/debug/s390/exceptions.
[ hca@linux.ibm.com: Forward ported code, changed file location ]
Suggested-by: Christian Borntraeger <borntraeger@linux.ibm.com>
Signed-off-by: Sven Schnelle <svens@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Tested-by: Christian Borntraeger <borntraeger@linux.ibm.com>
Reviewed-by: Christian Borntraeger <borntraeger@linux.ibm.com>>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Enable cpuidle infrastructure, idle governor and s390 cpuidle driver by
default. They can be disabled via config options before compile or via
setting cpuidle.off kernel commandline option. When cpuidle.off=1 set,
given architecture's specific implementation is used as a fallback without
any governor or idle state support.
During runtime individual states of cpuidle driver can also be disabled
via sysfs attributes:
echo 1 > /sys/devices/system/cpu<N>/cpuidle/state<M>/disable
Signed-off-by: Mete Durlu <meted@linux.ibm.com>
Reviewed-by: Heiko Carstens <hca@linux.ibm.com>
Acked-by: Christian Borntraeger <borntraeger@linux.ibm.com>
Acked-by: Rafael J. Wysocki (Intel) <rafael@kernel.org>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Introduce generic cpuidle driver on s390. Use a two stage approach to
handle idle scenarios and use idle governor for idle stage selection.
Two stages are, from shallow to deep, idle polling and enabled wait.
Suggested-by: Christian Borntraeger <borntraeger@linux.ibm.com>
Suggested-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Mete Durlu <meted@linux.ibm.com>
Reviewed-by: Heiko Carstens <hca@linux.ibm.com>
Reviewed-by: Christian Loehle <christian.loehle@arm.com>
Acked-by: Rafael J. Wysocki (Intel) <rafael@kernel.org>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Enable TIF_POLLING_NRFLAG to support idle polling state in the
upcoming cpuidle driver.
Signed-off-by: Mete Durlu <meted@linux.ibm.com>
Reviewed-by: Heiko Carstens <hca@linux.ibm.com>
Acked-by: Rafael J. Wysocki (Intel) <rafael@kernel.org>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Remove unused arch_needs_cpu() hook. No architectures use it after
s390 removed its use case.
Suggested-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Mete Durlu <meted@linux.ibm.com>
Reviewed-by: Heiko Carstens <hca@linux.ibm.com>
Reviewed-by: Thomas Gleixner <tglx@kernel.org>
Acked-by: Rafael J. Wysocki (Intel) <rafael@kernel.org>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
hugetlb code is known to view all pagetable entries as PTEs, instead of
corresponding upper levels like PMD or PUD. For s390, with different
pagetable entry layout for different levels, this requires some
conversion action under the hood.
The converted PMD and PUD entries are then written via set_pte()
function, but that might add some PTE-specific modifications.
There is no functional problem with current code, and the clearing of
_PAGE_UNUSED in set_pte(). Avoid future problems by using the set_pmd()
and set_pud() functions instead.
Signed-off-by: Gerald Schaefer <gerald.schaefer@linux.ibm.com>
Reviewed-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
Reviewed-by: Alexander Gordeev <agordeev@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
CPUs when Intel SNC (Sub-NUMA Clustering) is enabled
(Reinette Chatre)
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'x86-urgent-2026-07-05' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fix from Ingo Molnar:
- Prevent OOB access in the resctrl code while offlining
CPUs when Intel SNC (Sub-NUMA Clustering) is enabled
(Reinette Chatre)
* tag 'x86-urgent-2026-07-05' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86,fs/resctrl: Prevent out-of-bounds access while offlining CPU when SNC enabled
- Fix a perf_event_attr::remove_on_exec bug for group
events (Taeyang Lee)
- Fix uprobes CALL emulation interaction with shadow stacks,
and add a testcase for this (David Windsor)
- Fix uprobes unregister bug (Jiri Olsa)
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'perf-urgent-2026-07-05' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf events fixes from Ingo Molnar:
- Fix a perf_event_attr::remove_on_exec bug for group events
(Taeyang Lee)
- Fix uprobes CALL emulation interaction with shadow stacks, and
add a testcase for this (David Windsor)
- Fix uprobes unregister bug (Jiri Olsa)
* tag 'perf-urgent-2026-07-05' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
uprobes/x86: Use proper mm_struct in __in_uprobe_trampoline
selftests/x86: Add shadow stack uprobe CALL test
x86/uprobes: Keep shadow stack in sync for emulated CALLs
perf/core: Detach event groups during remove_on_exec
- Fix a resource leak in the RISC-V imsic-early driver
(Haoxiang Li)
- Fix an OF node reference leak in the ARM gic-v3-its driver
(Yuho Choi)
- Fix a dangling handler function on module removal bug in
the TS-4800 ARM board irqchip driver (Qingshuang Fu)
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'irq-urgent-2026-07-05' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq fixes from Ingo Molnar:
"Misc irqchip driver fixes:
- Fix a resource leak in the RISC-V imsic-early driver (Haoxiang Li)
- Fix an OF node reference leak in the ARM gic-v3-its driver (Yuho
Choi)
- Fix a dangling handler function on module removal bug in the
TS-4800 ARM board irqchip driver (Qingshuang Fu)"
* tag 'irq-urgent-2026-07-05' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
irqchip/ts4800: Fix missing chained handler cleanup on remove
irqchip/gic-v3-its: Fix OF node reference leak
irqchip/irq-riscv-imsic-early: Fix fwnode leak on state setup failure
A standard set of driver-specific fixes and quirks accumulated since
the merge window:
ASoC:
- SOF: Sanity check to prevent OOB reads
- rsnd: Fix clock leak and double-disable issues with PM
- tas675x: Misc fixes for register fields, etc
- lpass-va-macro: Correct codec version for Qualcomm SC7280
- amd-yc: DMIC quirk for Alienware m15 R7 AMD
Others:
- us144mkii: Fix a UAF on disconnect and anchor list corruption
- HD-audio: Realtek quirks for HP models
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Merge tag 'sound-7.2-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"A standard set of driver-specific fixes and quirks accumulated since
the merge window:
ASoC:
- SOF: Sanity check to prevent OOB reads
- rsnd: Fix clock leak and double-disable issues with PM
- tas675x: Misc fixes for register fields, etc
- lpass-va-macro: Correct codec version for Qualcomm SC7280
- amd-yc: DMIC quirk for Alienware m15 R7 AMD
Others:
- us144mkii: Fix a UAF on disconnect and anchor list corruption
- HD-audio: Realtek quirks for HP models"
* tag 'sound-7.2-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ASoC: rsnd: src: Add missing scu_supply clock to suspend/resume
Documentation: sound: tas675x: Fix temperature range and impedance documentation
ASoC: codecs: tas675x: Fix CHx temperature range register bit fields
ASoC: codecs: tas675x: use READ_ONCE for params to be used concurrently
ASoC: rsnd: adg: make rsnd_adg_clk_control() idempotent
ASoC: SOF: validate probe info element counts
ALSA: usx2y: us144mkii: fix work UAF on disconnect
ASoC: amd: yc: Add Alienware m15 R7 AMD to DMIC quirk table
ALSA: hda/realtek: Add quirk for HP Victus 16-e0xxx (88EE) to enable mute LED
MAINTAINERS: ASoC: SOF: add AMD reviewer for Sound Open Firmware
ASoC: codecs: lpass-va-macro: Fix LPASS Codec Version for SC7280
ALSA: us144mkii: capture_urb_complete: redundant usb_anchor_urb corrupts anchor list on each resubmission
A small set of fixes that came in since -rc1, we have one core fix for
shutting down target mode properly if the system suspends while it's
running plus a small set of fairly unremarkable device specific fixes.
There's also a couple of pure DT binding changes for Renesas SoCs, the
power domains one allows some SoCs to be correctly described with
existing code.
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Merge tag 'spi-fix-v7.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi fixes from Mark Brown:
"A small set of fixes that came in since -rc1, we have one core fix for
shutting down target mode properly if the system suspends while it's
running plus a small set of fairly unremarkable device specific fixes.
There's also a couple of pure DT binding changes for Renesas SoCs, the
power domains one allows some SoCs to be correctly described with
existing code"
* tag 'spi-fix-v7.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
spi: rzv2h-rspi: Fix DMA transfer error handling for signal interruption
spi: dt-bindings: snps,dw-apb-ssi: add 'power-domains' property
spi: dt-bindings: snps,dw-apb-ssi: drop superfluous RZ/N1 entry
spi: dw: use the correct error msg if request_irq() fails
spi: dw: fix first spi transfer with dma always fallback to PIO
spi: core: Abort active target transfer on controller suspend
spi: sh-msiof: abort transfers when reset times out
- Fix PKEY_VERIFYPROTK ioctl key type handling by removing the generic
key-length based type check with its wrong bit-size calculation,
and leaving protected key verification to the pkey handler
- Fix monwriter buffer reuse by rejecting records that change the data
length, preventing out of bounds user copy into the kernel buffer
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Merge tag 's390-7.2-3' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 fixes from Vasily Gorbik:
- Fix PKEY_VERIFYPROTK ioctl key type handling by removing the generic
key-length based type check with its wrong bit-size calculation, and
leaving protected key verification to the pkey handler
- Fix monwriter buffer reuse by rejecting records that change the data
length, preventing out of bounds user copy into the kernel buffer
* tag 's390-7.2-3' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/monwriter: Reject buffer reuse with different data length
pkey: Move keytype check from pkey api to handler
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Merge tag 'mips-fixes_7.2_1' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux
Pull MIPS fixes from Thomas Bogendoerfer.
* tag 'mips-fixes_7.2_1' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux:
MIPS: configs: Enable the current Ingenic USB PHY symbol
MIPS: loongson64: add IRQ work based on self-IPI
MIPS: mm: Add check for highmem before removing memory block
mips: Add build salt to the vDSO
MIPS: DEC: Ensure RTC platform device deregistration upon failure
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Merge tag 'v7.2-rc1-smb3-server-fixes' of git://git.samba.org/ksmbd
Pull smb server fixes from Steve French:
- Fix several use-after-free races in durable handle reconnect,
supersede, and oplock handling
- Avoid holding the inode oplock lock while waiting for a lease break
acknowledgement. This removes delays of up to 35 seconds when cifs.ko
closes a deferred handle in response to a lease break
- Fix malformed security descriptor handling, including an undersized
DACL allocation issue and an out-of-bounds ACE SID read
- Fix memory leaks in security descriptor and DOS attribute xattr
encoding/decoding error paths
- Fix outstanding SMB2 credit leaks on aborted requests and correct the
QUERY_INFO credit charge calculation
- Fix hard-link creation without replacement being incorrectly rejected
when the handle lacks DELETE access
- Avoid unnecessary zeroing of large SMB2 read buffers
- Add an oplock list lockdep annotation and update the documented
support status for durable handles and SMB3.1.1 compression
- Durable handle fixes to address ownership and lifetime races during
reconnect, session teardown, oplock handling, and superseding opens,
preventing stale session and file references from being used by
concurrent operations
* tag 'v7.2-rc1-smb3-server-fixes' of git://git.samba.org/ksmbd:
ksmbd: fix app-instance durable supersede session UAF
ksmbd: snapshot previous oplock state before durable checks
ksmbd: close superseded durable handles through refcount handoff
ksmbd: fix use-after-free of fp->owner.name in durable handle owner check
smb/server: do not require delete access for non-replacing links
ksmbd: don't hold ci->m_lock while waiting for a lease break ack
ksmbd: doc: update feature support status for durable handles and compression
ksmbd: annotate oplock list traversals under m_lock
ksmbd: fix outstanding credit leak on abort and error paths
ksmbd: fix credit charge calculation for SMB2 QUERY_INFO
ksmbd: avoid zeroing the read buffer in smb2_read()
ksmbd: validate num_subauth when copying ACE in set_ntacl_dacl
ksmbd: reject undersized DACLs before parsing ACEs
ksmbd: fix n.data memory leak in ksmbd_vfs_set_dos_attrib_xattr
ksmbd: Fix acl.sd_buf memory leak and invalid sd_size error handling
ksmbd: fix sd_ndr.data memory leak in ksmbd_vfs_set_sd_xattr
core:
- kernel doc fix
- include types.h in drm_ras.h
dma-fence:
- fix NULL ptr dereference
- use correct callback
- make dma_fence_dedup_array more robust
dp:
- handle torn down topology gracefully
- fix kernel doc
i915:
- Input validation fixes for BIOS and EDID
- Fix HDCP code buffer overflow and seq_num_v monotonic increase check
- Fix near-NULL deref in i915_active during GFP_ATOMIC exhaustion
xe:
- Wedge from the timeout handler only after releasing the queue
- Fix a NULL pointer dereference
- Remove redundant exec_queue_suspended
- RTP / OA whitelist fixes
- Return error on non-migratable faults requiring devmem
- Skip FORCE_WC and vm_bound check for external dma-bufs
- Hold notifier lock for write on inject test path
- Drop bogus static from finish in force_invalidate
- Fix double-free of managed BO in error path
- Don't attempt to process FAST_REQ or EVENT relays
- Fix NPD in bo_meminfo
- Prevent invalid cursor access for purged BOs
- Fix offset alignment for MERT WHITELST_OA_MERT_MMIO_TRG
amdgpu:
- Soc24 aborted suspend fix
- Drop unecessary BUG() and BUG_ON() from error paths
- SCPM fix
- Power reporting fix
- DCE HDR fix
- UVD boundary checks
- VCN boundary checks
- VCE boundary checks
- DCN 4.2 fixes
- Large stack allocation fixes
- Fix aperture mapping leak
- UserQ fixes
- Ignore_damage_clips fix
- ACP fixes
- DC boundary checks
- GPUVM fixes
- JPEG idle check fixes
- Userptr fix
- GC 11.7 updates
- Non-4K page fix
- SMU 13 fixes
- DP alt mode fix
amdkfd:
- Boundary checks
- CRIU fixes
amdxdna:
- fix device removal issues
- fix use after free in debug BO
imagination:
- fix double call to scheduler fini
- fix ioctl return values
- fix user array stride
virtio:
- handle EDIDs better
panthor:
- irq safe fence lock fix
- reset work fix
- fix invalid pointer
- fix iomem access in suspended state
- sched resume fix
- unplug suspend fix
- drop needless check
- eviction leak fix
- bail on group start/resume fix
- keep irqs masked
malidp:
- use clock bulk API
komeda:
- clock prepare fixes
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Merge tag 'drm-fixes-2026-07-04' of https://gitlab.freedesktop.org/drm/kernel
Pull drm fixes from Dave Airlie:
"Weekly fixes for drm. This is large for rc2 but it's just a lot of
small fixes across a bunch of drivers, xe, amdgpu as usual, plus some
sashiko-inspired fixes for panthor, and some dma-fence updates.
core:
- kernel doc fix
- include types.h in drm_ras.h
dma-fence:
- fix NULL ptr dereference
- use correct callback
- make dma_fence_dedup_array more robust
dp:
- handle torn down topology gracefully
- fix kernel doc
i915:
- Input validation fixes for BIOS and EDID
- Fix HDCP code buffer overflow and seq_num_v monotonic increase check
- Fix near-NULL deref in i915_active during GFP_ATOMIC exhaustion
xe:
- Wedge from the timeout handler only after releasing the queue
- Fix a NULL pointer dereference
- Remove redundant exec_queue_suspended
- RTP / OA whitelist fixes
- Return error on non-migratable faults requiring devmem
- Skip FORCE_WC and vm_bound check for external dma-bufs
- Hold notifier lock for write on inject test path
- Drop bogus static from finish in force_invalidate
- Fix double-free of managed BO in error path
- Don't attempt to process FAST_REQ or EVENT relays
- Fix NPD in bo_meminfo
- Prevent invalid cursor access for purged BOs
- Fix offset alignment for MERT WHITELST_OA_MERT_MMIO_TRG
amdgpu:
- Soc24 aborted suspend fix
- Drop unecessary BUG() and BUG_ON() from error paths
- SCPM fix
- Power reporting fix
- DCE HDR fix
- UVD boundary checks
- VCN boundary checks
- VCE boundary checks
- DCN 4.2 fixes
- Large stack allocation fixes
- Fix aperture mapping leak
- UserQ fixes
- Ignore_damage_clips fix
- ACP fixes
- DC boundary checks
- GPUVM fixes
- JPEG idle check fixes
- Userptr fix
- GC 11.7 updates
- Non-4K page fix
- SMU 13 fixes
- DP alt mode fix
amdkfd:
- Boundary checks
- CRIU fixes
amdxdna:
- fix device removal issues
- fix use after free in debug BO
imagination:
- fix double call to scheduler fini
- fix ioctl return values
- fix user array stride
virtio:
- handle EDIDs better
panthor:
- irq safe fence lock fix
- reset work fix
- fix invalid pointer
- fix iomem access in suspended state
- sched resume fix
- unplug suspend fix
- drop needless check
- eviction leak fix
- bail on group start/resume fix
- keep irqs masked
malidp:
- use clock bulk API
komeda:
- clock prepare fixes"
* tag 'drm-fixes-2026-07-04' of https://gitlab.freedesktop.org/drm/kernel: (105 commits)
drm/xe/oa: Fix offset alignment for MERT WHITELIST_OA_MERT_MMIO_TRG
drm/xe/pt: prevent invalid cursor access for purged BOs
drm/xe: fix NPD in bo_meminfo()
drm/xe/pf: Don't attempt to process FAST_REQ or EVENT relays
drm/xe/hw_engine: Fix double-free of managed BO in error path
drm/xe/userptr: Drop bogus static from finish in force_invalidate
drm/xe/userptr: Hold notifier_lock for write on inject test path
drm/xe/display: skip FORCE_WC and vm_bound check for external dma-bufs
drm/xe: Return error on non-migratable faults requiring devmem
drm/xe/rtp: Ensure locking/ref counting for OA whitelists
drm/xe/oa: (De-)whitelist OA registers on OA stream open/release
drm/xe/rtp: (De-)whitelist OA registers for all hwe's for a gt
drm/xe/rtp: Toggle 'deny' bit to (de-)whitelist OA regs
drm/xe/rtp: Save OA nonpriv registers to register save/restore lists
drm/xe/rtp: Generalize whitelist_apply_to_hwe
drm/xe/rtp: Keep track of non-OA nonpriv slots
drm/xe/rtp: Maintain OA whitelists separately
drm/xe/rtp: Fix build error with clang < 21 and non-const initializers
drm/imagination: Fix user array stride in pvr_set_uobj_array()
drm/imagination: Fix returned size for DRM_IOCTL_PVR_DEV_QUERY
...
- Add a missing ACPI_TAD_AC_WAKE capability check omitted by mistake to
the ACPI TAD driver (Xu Rao)
- Define acpi_ut_safe_strncpy() as an alias for strscpy_pad() which is
viable because that function is only called from kernel code (Rafael
Wysocki)
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Merge tag 'acpi-7.2-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI support fixes from Rafael Wysocki:
"These fix a coding mistake in the ACPI TAD (Time and Alarm
Device) driver introduced by one of its previous updates and
get rid of the ugly #ifdef __KERNEL__ conditional compilation
in acpi_ut_safe_strncpy() by redefining that function as an
alias for strscpy_pad():
- Add a missing ACPI_TAD_AC_WAKE capability check omitted by mistake
to the ACPI TAD driver (Xu Rao)
- Define acpi_ut_safe_strncpy() as an alias for strscpy_pad()
which is viable because that function is only called from kernel
code (Rafael Wysocki)"
* tag 'acpi-7.2-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPICA: Define acpi_ut_safe_strncpy() as strscpy_pad() alias
ACPI: TAD: Check AC wake capability before enabling wakeup
- Fix a crash when a kretprobe reads from the stack
- Fix an issue with the build-time mcount sorter that broke ftrace
- Fix the rv32 IRQ stack frame padding to match the ABI
- Only defer IOMMU configuration during initialization. This avoids
an issue where IOMMU configuration could be indefinitely deferred
- Add the missing build salt to the vDSO
- Now that RISC-V systems with higher numbers of cores are starting to
become available, raise NR_CPUS for RISC-V to 256
- Clean up some warnings from sparse caused by the RISC-V-optimized
RAID6 code
- Clean up our __cpu_up() code with a few minor fixes
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Merge tag 'riscv-for-linus-7.2-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V fixes from Paul Walmsley:
- Fix a crash when a kretprobe reads from the stack
- Fix an issue with the build-time mcount sorter that broke ftrace
- Fix the rv32 IRQ stack frame padding to match the ABI
- Only defer IOMMU configuration during initialization. This avoids an
issue where IOMMU configuration could be indefinitely deferred
- Add the missing build salt to the vDSO
- Now that RISC-V systems with higher numbers of cores are starting to
become available, raise NR_CPUS for RISC-V to 256
- Clean up some warnings from sparse caused by the RISC-V-optimized
RAID6 code
- Clean up our __cpu_up() code with a few minor fixes
* tag 'riscv-for-linus-7.2-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
riscv: probes: save original sp in rethook trampoline
riscv: Fix 32-bit call_on_irq_stack() frame pointer ABI
scripts/sorttable: Handle RISC-V patchable ftrace entries
riscv: smp: use secs_to_jiffies in __cpu_up
ACPI: RIMT: Only defer the IOMMU configuration in init stage
riscv: Add build salt to the vDSO
raid6: fix raid6_recov_rvv symbol undeclared warning
raid6: fix riscv symbol undeclared warnigns
riscv: Raise default NR_CPUS for 64BIT to 256
Please consider pulling these changes from the signed vfs-7.2-rc2.fixes tag.
Thanks!
Christian
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Merge tag 'vfs-7.2-rc2.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
Pull vfs fixes from Christian Brauner:
- netfs:
- fix the decision when to disallow write-streaming with fscache in
use, handling of asynchronous cache object creation, a double fput
in cachefiles, clearing S_KERNEL_FILE without the inode lock held,
page extraction bugs in the iov_iter helpers (a potential
underflow, a missing allocation failure check, a memory leak, and
a folio offset miscalculation), writeback error and ENOMEM
handling, DIO write retry for filesystems without a
->prepare_write() method, and the replacement of the wb_lock mutex
with a bit lock plus writethrough collection offload so that
multiple asynchronous writebacks don't interfere with each other.
- Fix the barriering when walking the netfs subrequest list during
retries as it was possible to see a subrequest that was just added
by the application thread.
- iomap:
- Change iomap to submit read bios after each extent instead of
building them up across extents. The old behavior was considered
problematic for a while and now caused an actual erofs bug.
- Guard the ioend io_size EOF trim in iomap against underflow when a
concurrent truncate moves EOF below the start of the ioend,
wrapping io_size to a huge value.
- overlayfs
- Fix a stale overlayfs comment about the locking order.
- Store the linked-in upper dentry instead of the disconnected
O_TMPFILE dentry during overlayfs tmpfile copy-up. With a FUSE or
virtiofs upper layer ->d_revalidate() would try to look up "/" in
the workdir and fail, causing persistent ESTALE errors that broke
dpkg and apt.
- vfs-bpf:
Have the bpf_real_data_inode() kfunc take a struct file instead of a
dentry so it is usable from the bprm_check_security, mmap_file, and
file_mprotect hooks, and rename it from bpf_real_inode() to make the
data-inode semantics explicit. The kfunc landed this cycle so the
change is safe.
- afs:
NULL pointer dereferences in the callback service and in
afs_get_tree(), several memory and refcount leaks, missing locking
around the dynamic root inode numbers and premature cell exposure
through /afs, a netns destruction hang caused by a misplaced
increment of net->cells_outstanding, a bulk lookup malfunction caused
by the dir_emit() API change, inode (re)initialisation issues, and
assorted smaller fixes to error codes, seqlock handling, and debug
output.
- vfs:
Refuse O_TMPFILE creation with an unmapped fsuid or fsgid and add a
selftest for it.
- vboxsf:
Add Jori Koolstra as vboxsf maintainer, taking over from Hans de
Goede.
- dio:
Release the pages attached to a short atomic dio bio; the REQ_ATOMIC
size check error path leaked them.
- procfs:
Only bump the parent directory link count when registering
directories in procfs. Registering regular files inflated the count
and leaked a link on every create and remove cycle.
- minix:
Avoid an unsigned overflow in the minix bitmap block count
calculation that let crafted images with huge inode or zone counts
pass superblock validation and crash the kernel during mount.
- cachefiles:
Fix a double unlock in the cachefiles nomem_d_alloc error path left
over from the start_creating() conversion.
- fat:
Stop fat from reading directory entries past the 0x00
end-of-directory marker. If the trailing on-disk slots aren't
zero-filled the driver surfaced arbitrary garbage as directory
entries.
- freexvfs:
Don't BUG() on unknown typed-extent types in freevxfs, reachable via
ioctl(FIBMAP) on a crafted image; fail with an I/O error instead.
- orangefs:
Keep the readdir entry size 64-bit in orangefs fill_from_part().
Truncating it to __u32 bypassed the bounds check and led to
out-of-bounds reads triggerable by the userspace client.
- xfs:
Fix the error unwind in xfs_open_devices() which released the rt
device file twice and left dangling buftarg pointers behind that were
freed again when the failed mount was torn down.
- exec:
Fix an off-by-one in the comment documenting the maximum binfmt
rewrite depth in exec_binprm(). The code allows five rewrites, not
four; restricting the code would break userspace so the comment is
fixed instead.
- file handles:
Reject detached mounts in capable_wrt_mount(). A detached mount can
be dissolved concurrently, leaving a NULL mount namespace that
open_by_handle_at() would dereference.
* tag 'vfs-7.2-rc2.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs: (57 commits)
netfs: Fix barriering when walking subrequest list
iomap: submit read bio after each extent
fuse: call fuse_send_readpages explicitly from fuse_readahead
iomap: consolidate bio submission
fhandle: reject detached mounts in capable_wrt_mount()
netfs: Fix DIO write retry for filesystems without a ->prepare_write()
netfs: Fix folio state after ENOMEM whilst under writeback iteration
netfs: Fix writeback error handling
netfs: Fix writethrough to use collection offload
netfs: Replace wb_lock with a bit lock for asynchronicity
netfs: Fix kdoc warning
scatterlist: Fix offset in folio calc in extract_xarray_to_sg()
iov_iter: Remove unused variable in kunit_iov_iter.c
iov_iter: Fix a memory leak in iov_iter_extract_user_pages()
iov_iter: Fix missing alloc fail check in iov_iter_extract_bvec_pages()
iov_iter: Fix potential underflow in iov_iter_extract_xarray_pages()
cachefiles: Fix file burial to take lock when unsetting S_KERNEL_FILE
cachefiles: Fix double fput
netfs: Fix netfs_create_write_req() to handle async cache object creation
netfs: Fix decision whether to disallow write-streaming due to fscache use
...
Signed-off-by: Carlos Maiolino <cem@kernel.org>
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Merge tag 'xfs-fixes-7.2-rc2' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux
Pull xfs fixes from Carlos Maiolino:
"A collection of bugfixes and some small code refactoring"
* tag 'xfs-fixes-7.2-rc2' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
xfs: simplify __xfs_buf_ioend
xfs: fix handling of synchronous errors in xfs_buf_submit
xfs: remove xfs_buf_ioend
xfs: improve the xfs_buf_ioend_fail calling convention
xfs: use null daddr for unset first bad log block
xfs: fix memory leak in xfs_dqinode_metadir_create()
xfs: release dquot buffer after dqflush failure
xfs: also mark the buffer stale on verifier failure in xfs_buf_submit
xfs: open code xfs_buf_ioend_fail in xfs_buf_submit
xfs: fix AGFL extent count calculation in xrep_agfl_fill
xfs: simplify the failure path in xfs_buf_alloc_vmalloc
xfs: fix incorrect use of gfp flags in xfs_buf_alloc_backing_mem
xfs: lift setting __GFP_NOFAIL from xfs_buf_alloc_kmem to the caller
xfs: split up xfs_buf_alloc_backing_mem
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Merge tag 'for-linus-7.2a-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen fixes from Juergen Gross:
- rename function parameters and a comment related to
xen_exchange_memory() (Jan Beulich)
- replace __ASSEMBLY__ with __ASSEMBLER__ (Thomas Huth)
- add some sanity checking to the Xen pvcalls frontend driver (Michael
Bommarito)
- fix error handling in the Xen gntdev driver (Wentao Liang)
- fix several minor bugs in Xen related drivers (Yousef Alhouseen)
* tag 'for-linus-7.2a-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
x86/Xen: correct commentary and parameter naming of xen_exchange_memory()
xenbus: reject unterminated directory replies
xen/gntalloc: validate grant count before allocation
xen/gntalloc: make grant counters unsigned
xen/front-pgdir-shbuf: free grant reference head on errors
xen/gntdev: fix error handling in ioctl
xen: Replace __ASSEMBLY__ with __ASSEMBLER__ in header files
xen/pvcalls: bound backend response req_id before indexing rsp[]
- check the return value of gpiochip_add_data() in gpio-mvebu and
gpio-htc-egpio
- avoid locking context issues with GPIO drivers using the shared GPIO
proxy by only allowing sleeping operations (atomic GPIO ops don't
really make sense in shared context anyway)
- with the above: restoe non-sleeping GPIO access in pinctrl-meson
- fix return value on OOM in gpio-timberdale
- fix interrupt handling in gpio-mt7621
- support both A and B variants of NCT6126D in gpio-f7188x
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Merge tag 'gpio-fixes-for-v7.2-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux
Pull gpio fixes from Bartosz Golaszewski:
- check the return value of gpiochip_add_data() in gpio-mvebu and
gpio-htc-egpio
- avoid locking context issues with GPIO drivers using the shared GPIO
proxy by only allowing sleeping operations (atomic GPIO ops don't
really make sense in shared context anyway)
- with the above: restore non-sleeping GPIO access in pinctrl-meson
- fix return value on OOM in gpio-timberdale
- fix interrupt handling in gpio-mt7621
- support both A and B variants of NCT6126D in gpio-f7188x
* tag 'gpio-fixes-for-v7.2-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux:
pinctrl: meson: restore non-sleeping GPIO access
gpio: timberdale: Return -ENOMEM on dynamic memory allocation in probe
gpio: mt7621: be sure IRQ domain is created before exposing GPIO chips
gpio: mt7621: more robust management of IRQ domain teardown
gpio: mt7621: avoid corruption of shared interrupt trigger state
gpio: shared-proxy: always serialize with a sleeping mutex
gpio-f7188x: Add support for NCT6126D version B
gpio: htc-egpio: use managed gpiochip registration
gpio: mvebu: fail probe if gpiochip registration fails
A fairly standard set of driver specific fixes and quirks that have come
in since the merge window, plus a MAINTAINERS update. The tas675x
READ_ONCE change is probably not actually fixing issues properly but we
need a whole new approach to concurrency there and it came along with
some good fixes.
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Merge tag 'asoc-fix-v7.2-rc1' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Fixes for v7.2
A fairly standard set of driver specific fixes and quirks that have come
in since the merge window, plus a MAINTAINERS update. The tas675x
READ_ONCE change is probably not actually fixing issues properly but we
need a whole new approach to concurrency there and it came along with
some good fixes.
<linux/mod_devicetable.h> is included transitively in nearly every
driver in an x86_64 allmodconfig build of v7.1:
$ find drivers -name \*.o -not -name \*.mod.o | wc -l
21330
$ find drivers -name \*.o.cmd -not -name \*.mod.o.cmd | xargs grep -l mod_devicetable.h | wc -l
17038
The result of this mixture of different and unrelated subsystem details
is that even when touching an obscure device id struct most of the
kernel needs to be recompiled. Given that each driver typically only
needs one or two of these structures, splitting into per subsystem
headers and only including what is really needed reduces the amount of
needed recompilation.
This split is implemented in the first commit and then after some
preparatory work in the following commits, the last two replace
includes of <linux/mod_devicetable.h> by the actually needed more
specific headers. There are still a few instances left, but the ones
with high impact (that is in headers that are used a lot) and the easy
ones (.c files) are handled. These remaining includes will be addressed
during the next merge window.
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Merge tag 'device-id-rework' of git://git.kernel.org/pub/scm/linux/kernel/git/ukleinek/linux
Pull mod_devicetable.h header split from Uwe Kleine-König:
"Split <linux/mod_devicetable.h> in per subsystem headers
<linux/mod_devicetable.h> is included transitively in nearly every
driver in an x86_64 allmodconfig build of v7.1:
$ find drivers -name \*.o -not -name \*.mod.o | wc -l
21330
$ find drivers -name \*.o.cmd -not -name \*.mod.o.cmd | xargs grep -l mod_devicetable.h | wc -l
17038
The result of this mixture of different and unrelated subsystem
details is that even when touching an obscure device id struct most of
the kernel needs to be recompiled. Given that each driver typically
only needs one or two of these structures, splitting into per
subsystem headers and only including what is really needed reduces the
amount of needed recompilation.
This split is implemented in the first commit and then after some
preparatory work in the following commits, the last two replace
includes of <linux/mod_devicetable.h> by the actually needed more
specific headers.
There are still a few instances left, but the ones with high impact
(that is in headers that are used a lot) and the easy ones (.c files)
are handled. These remaining includes will be addressed during the
next merge window"
* tag 'device-id-rework' of git://git.kernel.org/pub/scm/linux/kernel/git/ukleinek/linux:
Replace <linux/mod_devicetable.h> by more specific <linux/device-id/*.h> (c files)
Replace <linux/mod_devicetable.h> by more specific <linux/device-id/*.h> (headers)
parisc: #include <linux/compiler.h> for unlikely() in <asm/ptrace.h>
media: em28xx: Add include for struct usb_device_id
LoongArch: KVM: Add include defining struct cpu_feature
ALSA: hda/core: Add include defining struct hda_device_id
usb: dwc2: Add include defining struct pci_device_id
platform/x86: int3472: Add include defining struct dmi_system_id
platform/x86: x86-android-tablets: Add include defining struct dmi_system_id
i2c: Let i2c-core.h include <linux/i2c.h>
of: Explicitly include <linux/types.h> and <linux/err.h>
platform/x86: msi-ec: Ensure dmi_system_id is defined
usb: serial: Include <linux/usb.h> in <linux/usb/serial.h>
driver core: platform: Include header for struct platform_device_id
driver: core: Include headers for acpi_device_id and of_device_id for struct device_driver
media: ti: vpe: #include <linux/platform_device.h> explicitly
mod_devicetable.h: Split into per subsystem headers
- Quirk the Phison PS3111-S11 SSD with NOLPM due to its defective link
power management (Bryam).
- Strengthen checks on a device concurrent positioning range
information to make sure to reject any invalid report (Bryam).
- Fix probe error handling in the pata_pxa and sata_gemini drivers
(Myeonghun, Wentao).
- Limit buffer size of replies from translated commands to what libata
actually generated (Karuna)
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Merge tag 'ata-7.2-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/libata/linux
Pull ata fixes from Damien Le Moal:
- Quirk the Phison PS3111-S11 SSD with NOLPM due to its defective
link power management (Bryam)
- Strengthen checks on a device concurrent positioning range
information to make sure to reject any invalid report (Bryam)
- Fix probe error handling in the pata_pxa and sata_gemini
drivers (Myeonghun, Wentao)
- Limit buffer size of replies from translated commands to what
libata actually generated (Karuna)
* tag 'ata-7.2-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/libata/linux:
ata: libata-scsi: limit simulated SCSI command copy to response length
ata: pata_pxa: Fix DMA channel leak on probe error
ata: sata_gemini: unwind clocks on IDE pinctrl errors
ata: libata-core: Reject an invalid concurrent positioning ranges count
ata: libata-core: Add NOLPM quirk for PNY CS900 1TB SSD
Replace the #include of <linux/mod_devicetable.h> by the more specific
<linux/device-id/*.h> where applicable. For most cases the include
can be dropped completely, only a few drivers need one or two headers
added.
Acked-by: Danilo Krummrich <dakr@kernel.org>
Acked-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Acked-by: Bjorn Helgaas <bhelgaas@google.com>
Link: https://patch.msgid.link/1a3f2007c5c5dcf555c09a4035ce3ae8ef1b6c49.1782808461.git.u.kleine-koenig@baylibre.com
Signed-off-by: Uwe Kleine-König (The Capable Hub) <u.kleine-koenig@baylibre.com>
<linux/mod_devicetable.h> is included in a many files:
$ git grep '<linux/mod_devicetable.h>' ef0c9f75a1 | wc -l
1598
; some of them are widely used headers. To stop mixing up different and
unrelated driver( type)s let the subsystem headers only use the subset
of the recently split <linux/mod_devicetable.h> that are relevant for
them.
The fallout (I hope) is addressed in the previous commits that handle
sources relying on e.g. <linux/i2c.h> pulling in the full legacy header
and thus providing pci_device_id.
Acked-by: Danilo Krummrich <dakr@kernel.org>
Acked-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Link: https://patch.msgid.link/199fe46b624ba07fb9bd3e0cd6ff13757932cb5f.1782808461.git.u.kleine-koenig@baylibre.com
Signed-off-by: Uwe Kleine-König (The Capable Hub) <u.kleine-koenig@baylibre.com>
Currently <linux/compiler.h> isn't included at all (not even
transitively) in <asm/ptrace.h>.
arch/parisc/kernel/asm-offsets.c just happens to include the following
chain of includes before <asm/ptrace.h>:
<linux/sched.h>
-> <asm/processor.h>
-> <asm/hardware.h>
-> <linux/mod_devicetable.h>
-> <linux/uuid.h>
-> <linux/string.h>
-> <linux/compiler.h>
. That chain will be broken, because in one of the next commits
<asm/hardware.h> is changed to only include <linux/device-id/parisc.h>
instead of <linux/mod_devicetable.h>. So to ensure
arch/parisc/kernel/asm-offsets.c knows about unlikely() even after that
change, #include <linux/compiler.h> explicitly.
Link: https://patch.msgid.link/0574a2b73363c3cbf21c55c27455c3cecfb33583.1782808461.git.u.kleine-koenig@baylibre.com
Signed-off-by: Uwe Kleine-König (The Capable Hub) <u.kleine-koenig@baylibre.com>
Traditionally <linux/mod_devicetable.h> was a header defining a plethora
of structs, among them struct usb_device_id. This was split now with the
objective that only the relevant bits are included.
Currently <linux/mod_devicetable.h> is transitively included in
drivers/media/usb/em28xx/em28xx.h via:
drivers/media/usb/em28xx/em28xx.h ->
<linux/i2c.h> ->
<linux/acpi.h> ->
<linux/device.h> ->
<linux/device/driver.h> ->
<linux/mod_devicetable.h
To keep struct usb_device_id available once <linux/device/driver.h>
stops including <linux/mod_devicetable.h>, include it the header
providing that struct explictly.
Acked-by: Danilo Krummrich <dakr@kernel.org>
Acked-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Link: https://patch.msgid.link/e72de5b4b9f1aa77a3c19a5e698a195dfd81ae0b.1782808461.git.u.kleine-koenig@baylibre.com
Signed-off-by: Uwe Kleine-König (The Capable Hub) <u.kleine-koenig@baylibre.com>
Traditionally <linux/mod_devicetable.h> was a header defining a plethora
of structs, among them struct cpu_features. This was split now with the
objective that only the relevant bits are included.
Currently <linux/mod_devicetable.h> is transitively included in
arch/loongarch/kvm/main.c via:
arch/loongarch/kvm/main.c ->
<linux/kvm_host.h> ->
<linux/entry-virt.h> ->
<linux/resume_user_mode.h> ->
<linux/memcontrol.h> ->
<linux/cgroup.h> ->
<linux/kernel_stat.h> ->
<linux/interrupt.h> ->
<linux/hardirq> ->
<asm/hardirq.h> ->
<linux/irq.h> ->
<asm/irq.h> ->
<linux/irqdomain.h> ->
<linux/of.h> ->
<linux/mod_devicetable.h>
To keep struct cpu_features available once <linux/of.h> stops including
<linux/mod_devicetable.h>, include it here explicitly.
Acked-by: Danilo Krummrich <dakr@kernel.org>
Reviewed-by: Bibo Mao <maobibo@loongson.cn>
Acked-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Link: https://patch.msgid.link/052feec0e04ea8f5b2706a19a5b236679eed0aba.1782808461.git.u.kleine-koenig@baylibre.com
Signed-off-by: Uwe Kleine-König (The Capable Hub) <u.kleine-koenig@baylibre.com>
